diff --git a/ontio-bump-alloc/Cargo.toml b/ontio-bump-alloc/Cargo.toml
index 6d50d11..93d4cba 100644
--- a/ontio-bump-alloc/Cargo.toml
+++ b/ontio-bump-alloc/Cargo.toml
@@ -3,6 +3,10 @@ name = "ontio-bump-alloc"
 version = "0.1.0"
 authors = ["laizy <aochyi@126.com>"]
 edition = "2018"
+license = "Apache-2.0/MIT"
+homepage = "https://github.com/ontio/ontology-wasm-cdt-rust"
+repository = "https://github.com/ontio/ontology-wasm-cdt-rust"
+description = "bump memory allocation for ontology wasm engine"
 
 [dependencies]
 cfg-if = { version = "0.1", default-features = false }
diff --git a/ontio-codegen/Cargo.toml b/ontio-codegen/Cargo.toml
index 3c453e6..49fcabe 100644
--- a/ontio-codegen/Cargo.toml
+++ b/ontio-codegen/Cargo.toml
@@ -3,6 +3,10 @@ name = "ontio-codegen"
 version = "0.1.0"
 authors = ["laizy <aochyi@126.com>"]
 edition = "2018"
+license = "Apache-2.0/MIT"
+homepage = "https://github.com/ontio/ontology-wasm-cdt-rust"
+repository = "https://github.com/ontio/ontology-wasm-cdt-rust"
+description = "codegen for ontio-std"
 
 [lib]
 proc-macro = true
@@ -17,7 +21,3 @@ heck = {version = "0.3.1",default-features = false}
 
 [dev-dependencies]
 ontio-std  = {path="../ontio-std"}
-
-[features]
-mock = ["ontio-std/mock"]
-
diff --git a/ontio-derive-codec/Cargo.toml b/ontio-derive-codec/Cargo.toml
index b30ecf8..ab7ca9a 100644
--- a/ontio-derive-codec/Cargo.toml
+++ b/ontio-derive-codec/Cargo.toml
@@ -3,6 +3,10 @@ name = "ontio-derive-codec"
 version = "0.1.0"
 authors = ["Lucas <sishsh@163.com>"]
 edition = "2018"
+license = "Apache-2.0/MIT"
+homepage = "https://github.com/ontio/ontology-wasm-cdt-rust"
+repository = "https://github.com/ontio/ontology-wasm-cdt-rust"
+description = "codec derive macro for ontio-std"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/ontio-std/Cargo.toml b/ontio-std/Cargo.toml
index 6f53f97..ed42dde 100644
--- a/ontio-std/Cargo.toml
+++ b/ontio-std/Cargo.toml
@@ -3,15 +3,19 @@ name = "ontio-std"
 version = "0.1.0"
 authors = ["laizy <aochyi@126.com>"]
 edition = "2018"
+license = "Apache-2.0/MIT"
+homepage = "https://github.com/ontio/ontology-wasm-cdt-rust"
+repository = "https://github.com/ontio/ontology-wasm-cdt-rust"
+description = "development library for ontology wasm contract"
 
 [dependencies]
 wee_alloc = "0.4"
-ontio-bump-alloc = {path = "../ontio-bump-alloc", optional = true}
+ontio-bump-alloc = {version = "0.1", path = "../ontio-bump-alloc", optional = true}
 fixed-hash = { version = "0.4", default-features = false }
 cfg-if = { version = "0.1", default-features = false }
 byteorder = { version = "1", default-features= false, features = ["i128"] }
-ontio-codegen = { path = "../ontio-codegen"}
-ontio-derive-codec = { path = "../ontio-derive-codec"}
+ontio-codegen = { version = "0.1",  path = "../ontio-codegen"}
+ontio-derive-codec = { version = "0.1", path = "../ontio-derive-codec"}
 sha2 = {version="0.8", optional=true}
 
 [dev-dependencies]
diff --git a/ontio-std/src/abi/source.rs b/ontio-std/src/abi/source.rs
index dd71f8d..ad36690 100644
--- a/ontio-std/src/abi/source.rs
+++ b/ontio-std/src/abi/source.rs
@@ -82,12 +82,12 @@ impl<'a> Source<'a> {
         T::decode(self)
     }
 
-    pub(crate) fn read_address(&mut self) -> Result<&'a Address, Error> {
+    pub fn read_address(&mut self) -> Result<&'a Address, Error> {
         let buf = self.next_bytes(20)?;
         Ok(unsafe { &*(buf.as_ptr() as *const Address) })
     }
 
-    pub(crate) fn read_h256(&mut self) -> Result<&'a H256, Error> {
+    pub fn read_h256(&mut self) -> Result<&'a H256, Error> {
         let buf = self.next_bytes(32)?;
         Ok(unsafe { &*(buf.as_ptr() as *const H256) })
     }
diff --git a/ontio-std/src/runtime.rs b/ontio-std/src/runtime.rs
index 9c33097..fc8bbb7 100644
--- a/ontio-std/src/runtime.rs
+++ b/ontio-std/src/runtime.rs
@@ -36,7 +36,7 @@ mod env {
             author_len: u32, email_ptr: *const u8, email_len: u32, desc_ptr: *const u8,
             desc_len: u32, new_addr_ptr: *mut u8,
         ) -> u32;
-        pub fn ontio_contract_delete() -> !;
+        pub fn ontio_contract_destroy() -> !;
     }
 }
 
@@ -187,7 +187,7 @@ pub fn contract_migrate(
 ///delete the contract
 pub fn contract_delete() -> ! {
     unsafe {
-        env::ontio_contract_delete();
+        env::ontio_contract_destroy();
     }
 }
 ///Save key-value as a key-value pair